It appears that mining costs and the creation of crypto currencies consumes a lot of resources

We have very little resources remaining in the world for each other and future generations. Does it make sense to waste resources like this? Could we do this in a cheaper and more economically friendly manner? And does the value of bitcoin directly correlate to the amount of resources and man hours that are destroyed in order to create it?
No we are not it is actually logical that with our trend towards innovation and technology that we go all in towards having a digitized currency. In the future when we have a whole lot of technology abound then bitcoin and cryptocurrency is the way to go